Home / 7,503.13-11,252.56-3,115.16

Finding the Fourth Proportional to 7,503.13, 11,252.56 and 3,115.16

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Solution

The fourth proportional to 7,503.13, 11,252.56 and 3,115.16 is: 4,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.13 : 11,252.56 = 3,115.16 : x
  2. Step 2: Convert to fraction form
    7,503.13/11,252.56 = 3,115.16/x
  3. Step 3: Cross multiply
    7,503.13x = 11,252.56 × 3,115.16
  4. Step 4: Simplify right side
    7,503.13x = 35,053,468.55
  5. Step 5: Solve for x
    x = 35,053,468.55/7,503.13
  6. Step 6: Final answer
    x = 4,671.85

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.